Indeed, it makes Machiavellian sense to hang as many muck-ups on Craig as possible (Van Jones comes to mind) before sacrificing him at the media altar. Just think of Craig as Wee-Bey from "The Wire"--claiming bodies for the crew on his way out. They might not even have to give him a pit beef sandwich with extra horseradish.
Update: A reader adds:
"To be Wee-Beyed" should be the lexicon for all Washington insiders who take the blame for someone else's misdeeds. Scooter Libby = Wee-Bey. The John Edwards Aide [Andrew Young] = Wee-Bey. The game is the game.